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Inventor

Raymond P. Ristau

Inventor
South Windsor, CT, US

Overview

5→
Patents
1992–2018
Patent span
Performing operations
Primary field (CPC B)

Patents· 5 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B22Dprimary
B22DCasting of metals33%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material11%
B23PMetal-working not otherwise provided for11%
C23CCoating metallic material11%
F01DNon-positive displacement machines or engines, e.g. steam turbines11%
Y02TClimate change mitigation technologies related to transportation11%
Y10TTechnical subjects covered by former us classification11%
PatentTitleYear
9,878,368'Die casting system and cell'20189,289,823'Die casting system and cell'20168,919,422'Die casting system and cell'20146,805,750'Surface preparation process for deposition of ceramic coating'20045,083,371'Hollow metal article fabrication'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–2018Patents assigned to UNITED TECHNOLOGIES CORP (5)· patent assignee history
1992–2004Based in Tolland, CT, US· patent location history
2014Patents assigned to BARTHOLOMEW MARK F (1)· patent assignee history
2014Patents assigned to BLONDIN JOHN F (1)· patent assignee history
2014Patents assigned to BOCHIECHIO MARIO P (1)· patent assignee history
2014Patents assigned to BULLIED STEVEN J (1)· patent assignee history
2014–2018Based in South Windsor, CT, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
UNITED TECHNOLOGIES CORP51992–2018
BARTHOLOMEW MARK F12014
BLONDIN JOHN F12014
BOCHIECHIO MARIO P12014
BULLIED STEVEN J12014
Locations
LocationPatentsSpan
South Windsor, CT, US32014–2018
Tolland, CT, US21992–2004